fix(type): fix bad types

src/__tests__/core/workspaceFolder.test.ts

@@ -297,7 +297,9 @@ describe('WorkspaceFolderController', () => {
     it('should not throw on timeout', async () => {
       let spy = jest.spyOn(workspaceFolder, 'checkFolder').mockImplementation((_dir, _patterns, token) => {
         return new Promise((resolve, reject) => {
-          let timer = setTimeout(resolve, 200)
+          let timer = setTimeout(() => {
+            resolve(undefined)
+          }, 200)
           token.onCancellationRequested(() => {
             clearTimeout(timer)
             reject(new CancellationError())

src/language-client/client.ts

@@ -1131,7 +1131,7 @@ export abstract class BaseLanguageClient implements FeatureClient<Middleware, La
     this.cleanUp(mode)
 
     let tm: NodeJS.Timeout
-    const tp = new Promise<undefined>(c => { tm = setTimeout(c, timeout) })
+    const tp = new Promise<any>(c => { tm = setTimeout(c, timeout) })
     const shutdown = (async connection => {
       await connection.shutdown()
       await connection.exit()

src/util/fs.ts

@@ -270,7 +270,7 @@ export function findUp(name: string | string[], cwd: string): string {
   return null
 }
 
-export function readFile(fullpath: string, encoding: string): Promise<string> {
+export function readFile(fullpath: string, encoding: BufferEncoding): Promise<string> {
   return new Promise((resolve, reject) => {
     fs.readFile(fullpath, encoding, (err, content) => {
       if (err) reject(err)